Apache Ant TasksJarlib-availablejarlib-availableDescriptionCheck whether an extension is present in a fileset or an extensionSet.If the extension is present then a property is set. Note that this taskworks with extensions as defined by the "Optional Package" specification. For more information about optional packages, see the documentOptional Package Versioning in the documentation bundle for yourJava2 Standard Edition package, in fileguide/extensions/versioning.html or online athttp://download.oracle.com/javase/1.3/docs/guide/extensions/versioning.htmlSee the Extension and ExtensionSet documentation for further details Parameters Attribute | Description | Required | property | The name of property to set if extensions is available. | Yes | file | The file to check for extension | No, one of file, nested ExtensionSet or nested fileset must be present. | Parameters specified as nested elementsextension Extension the extension to search for. fileset FileSets are used to selectsets of files to check for extension. extensionSet ExtensionSets is the set of extensions to search for extension in. ExamplesSearch for extension in single file <jarlib-available property="myext.present" file="myfile.jar"> <extension extensionName="org.apache.tools.ant" specificationVersion="1.4.9" specificationVendor="Apache Software Foundation"/> </jarlib-available> Search for extension in single file referencing external Extension <extension id="myext" extensionName="org.apache.tools.ant" specificationVersion="1.4.9" specificationVendor="Apache Software Foundation"/> <jarlib-available property="myext.present" file="myfile.jar"> <extension refid="myext"/> </jarlib-available> Search for extension in fileset <extension id="myext" extensionName="org.apache.tools.ant" specificationVersion="1.4.9" specificationVendor="Apache Software Foundation"/> <jarlib-available property="myext.present"> <extension refid="myext"/> <fileset dir="lib"> <include name="*.jar"/> </fileset> </jarlib-available> Search for extension in extensionSet <extension id="myext" extensionName="org.apache.tools.ant" specificationVersion="1.4.9" specificationVendor="Apache Software Foundation"/> <jarlib-available property="myext.present"> <extension refid="myext"/> <extensionSet id="exts3"> <libfileset includeUrl="false" includeImpl="true" dir="lib"> <include name="*.jar"/> </libfileset> </extensionSet> </jarlib-available> |